209519254556

素因数分解:

$2^2\times {\mathrm{523573}}^1\times {\mathrm{100043}}^1$

素因数の和:623620

約数の個数: 12

約数和(自身を含む): 366663060792

約数和(自身を除く): 157143806236

約数列:

[1, 2, 4, 100043, 200086, 400172, 523573, 1047146, 2094292, 52379813639, 104759627278, 209519254556]

約数ペア:

[(1, 209519254556), (2, 104759627278), (4, 52379813639), (100043, 2094292), (200086, 1047146), (400172, 523573)]